06-30-2013
some go in with a smile and a hello ... really ... you also have to be careful with internal hackers who have access -- you have heard of snowden and manning, right?
also, see if you can have users use SFTP instead of FTP ... turn off all unnecessary services and remove all compilers ... run the security scans as well as the hardening tools regularly if possible ...
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LEARN ABOUT MOJAVE
curlopt_dirlistonly
CURLOPT_DIRLISTONLY(3) curl_easy_setopt options CURLOPT_DIRLISTONLY(3)
NAME
CURLOPT_DIRLISTONLY - ask for names only in a directory listing
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DIRLISTONLY, long listonly);
DESCRIPTION
For FTP and SFTP based URLs a parameter set to 1 tells the library to list the names of files in a directory, rather than performing a full
directory listing that would normally include file sizes, dates etc.
For POP3 a parameter of 1 tells the library to list the email message or messages on the POP3 server. This can be used to change the
default behaviour of libcurl, when combined with a URL that contains a message ID, to perform a "scan listing" which can then be used to
determine the size of an email.
Note: For FTP this causes a NLST command to be sent to the FTP server. Beware that some FTP servers list only files in their response to
NLST; they might not include subdirectories and symbolic links.
Setting this option to 1 also implies a directory listing even if the URL doesn't end with a slash, which otherwise is necessary.
Do NOT use this option if you also use CURLOPT_WILDCARDMATCH(3) as it will effectively break that feature then.
DEFAULT
0, disabled
PROTOCOLS
FTP, SFTP and POP3
EXAMPLE
TODO
AVAILABILITY
This option was known as CURLOPT_FTPLISTONLY up to 7.16.4. POP3 is supported since 7.21.5.
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSO
CURLOPT_CUSTOMREQUEST(3),
libcurl 7.54.0 February 03, 2016 CURLOPT_DIRLISTONLY(3)